Method add

Mod Utils/src/eu/the5zig/mod/util/Rectangle.java:173–182

(int newx, int newy)

	}

	public void add(int newx, int newy) {
		int x1 = Math.min(this.x, newx);
		int x2 = Math.max(this.x + this.width, newx);
		int y1 = Math.min(this.y, newy);
		int y2 = Math.max(this.y + this.height, newy);
		this.x = x1;
		this.y = y1;
		this.width = x2 - x1;
		this.height = y2 - y1;
	}

	public void grow(int h, int v) {
		this.x -= h;